RT Journal Article SR Electronic T1 How do the clinical findings in patients with pericardial effusions influence the success of aspiration? JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 476 OP 476 DO 10.1136/hrt.74.4.476 VO 74 IS 4 A1 D. H. Spodick YR 1995 UL http://heart.bmj.com/content/74/4/476.1.abstract AB